Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 199
atural sines and cosines, or from The Traverse Table. * Fig. 21. * See Table VII. of Wentworth & Hills Five-Place Logarithmic andTrigonometric Tables. 26 SURVEYING. § 16. Field Notes, Computation, and Plotting. The field notes are kept in a book provided for the purpose.The page is ruled in… … Field Notes. 1 N. 20° E. 8.66 2 S. 70° E. 5.00 3 S. 10° E. 10.00 4 N. 70° W. 10.00 (a) To obtain the field notes. Place the compass at A, the first sta-tion, and take the bearing of AB (§ 6);suppose it to be N. 20° E. Write the re-sult in the second column of the field notesopposite the number of…
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